Valve, Check4820-01-553-7221

NSN 4820-01-553-7221 · NIIN 015537221

FSC 4820 — Valves, Nonpowered · FSG 48 — Valves

Government record, cited

Also searched as 4820-01-553-7221 · 4820015537221 · NIIN 015537221 · 01-553-7221 · FSC 4820 Valves, Nonpowered · FIG 29-2.0IN · FIG 29-2.0IN

Nearby stock numbers ← 4820-01-553-7220 Valve, Stop-Check · 4820-01-553-7290 Valve, Safety Relief →

4820-01-553-7221 — Valves, Nonpowered

Features

Valve,check — FSC 4820
Flow Control Device: DISK
Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS
Mounting Position: VERTICAL
Connection Type: THREADED INTERNAL PIPE ALL ENDS
Style Designator: STRAIGHT THRU
Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size: 2.000 INCHES IN

Identification

NSN: 4820-01-553-7221
NIIN: 015537221
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves

General Description

The Valve,check, cataloged under National Stock Number 4820-01-553-7221, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-553-7221
Item Name	Valve,check
FSC / FSG	4820 / 48 — Valves, Nonpowered
Status	ACTIVE
Flow Control Device	DISK
Connection Style	PLAIN, OPTIONAL END (PIPE) ALL ENDS
Mounting Position	VERTICAL
Connection Type	THREADED INTERNAL PIPE ALL ENDS
Style Designator	STRAIGHT THRU
Operating Pressure	125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Valve Size	2.000 INCHES IN
Specification/standard Data	MSS SPECIFICATION SP-80 PROFESSIONAL/INDUSTRIAL ASSOCIATION SPECIFICATION
Face to Face Distance	4.000 INCHES IN
Material	COPPER ALLOY OVERALL
Valve Operation Method	AUTOMATIC

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
FIG 29-2.0IN	3/9 Design control — primary reference Mcc Holdings, Inc. Dba Crane Valve North America Div Crane Chempharma & Energy
FIG 29-2.0IN	5/9 Secondary reference Mcc Holdings, Inc. Dba Crane Valve North America Use CAGE Code 59309 for Cataloging

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-553-7221?

NSN 4820-01-553-7221 is a Valve,check, classified under FSC 4820, Valves, Nonpowered. Status: active.

What are the specifications of 4820-01-553-7221?

Key specifications for 4820-01-553-7221: Flow Control Device: DISK; Connection Style: PLAIN, OPTIONAL END (PIPE) ALL ENDS; Mounting Position: VERTICAL; Connection Type: THREADED INTERNAL PIPE ALL ENDS. 11 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-553-7221 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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